codec2 hal: type conversion refactoring, step 1

Duplicate existing file for easier code review; no code edited

$ cp media/codec2/hal/hidl/1.0/utils/types.cpp \
     media/codec2/hal/common/include/codec2/common/ParamTypes.h
$ cp media/codec2/hal/hidl/1.0/utils/types.cpp \
     media/codec2/hal/common/include/codec2/common/BufferTypes.h

Bug: 251850069
Test: builds
Change-Id: I8b15407d1e473dd4a73cdded9ff5d03d57ac801a